HOUSTON 
Houston quarterback Matt Schaub is out indefinitely with a "significant" right foot injury and will miss at least the Texans' next game in two weeks.

Coach Gary Kubiak said Monday that Schaub was injured on a quarterback sneak coming out of the end zone late in the second quarter of Houston's 37-9 victory over Tampa Bay on Sunday. Schaub stayed in the game, but threw only three passes in the second half.

Kubiak said the team was bringing in a specialist from Indianapolis to evaluate Schaub, and the quarterback would fly to Charlotte, N.C., later this week to undergo further examination.

Joby Branion, Schaub's agent, did not immediately return a phone message or e-mail.

"He's got a significant foot injury, he's going to miss some time," Kubiak said. "But we're going to do everything we can to get it evaluated correctly and see if can get him back on the football field.

"It's disappointing," Kubiak said, "but we'll go to work and try to do the right thing by Matt."

The Texans (7-3) have won four in a row and share the AFC's best record with Pittsburgh heading into their bye week. Kubiak said sixth-year veteran Matt Leinart will start at Jacksonville on Nov. 27.

"It's just something we'll have to deal with," star receiver Andre Johnson said Monday night. "Hopefully, Matt won't miss the whole season. We're not sure exactly what it is, but we do know he'll have to miss some time. We're just going to rally around Matt Leinart, and I think he'll go out and do a great job."

Johnson has missed six games with a right hamstring injury, but expects to return for the Jacksonville game. He was on the sideline Sunday and said Schaub was "limping a little bit," but said he was OK.

"To come in and here that today," Johnson said, "it was kind of like, `Wow.' Now you're hearing rumors that it's possible he could miss the rest of the season and things like that. So it's kind of like, where did all of that come from?"

Leinart, the 2004 Heisman Trophy winner for Southern California, re-signed with the Texans in the offseason after not taking a snap in 2010. He turned down other offers to return to Houston because he was comfortable with Kubiak and his offensive system.

Houston rank eighth in total offense this season (396.2 yards per game).

"Your time's going to come, and you've got to be accountable for when that opportunity comes," Leinart said. "They know that I work hard and I study hard and I'm prepared very well. We'll going to take this and go game-by-game and I don't think much is going to change."

Leinart guided Southern Cal to national championship games after the 2004 and `05 seasons, and went 37-2 as a starter in college.

He was drafted 10th overall by Arizona in 2006 and appeared in 12 games as a rookie under coach Dennis Green, throwing 11 touchdowns and 12 interceptions. He broke his collarbone in the fifth game of the next season, Kurt Warner took over and Leinart was mostly a spectator over the next 2 1/2 seasons.